Injection Molding
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PETG '2079851475616104452 color difference
Problembeschreibung
Color differences exist between batches of PETG injection molded products or between different cavities of the same batch.
Ursachenanalyse
Color masterbatch addition fluctuates or disperses unevenly, processing temperature fluctuation affects thermal stability, regrind ratio inconsistent.
Lösung
Precisely add color masterbatch with a metering pump; stabilize processing temperature; control the regrind ratio; use a heat-resistant pigment system.
Wichtigste Erkenntnis
PETG color difference management requires stable processing technology and a precise color matching system.
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